The rare daily word game sweeping the globe. Find what's hidden in plain sight.
TETRAFLUORIDES
Definition of TETRAFLUORIDES
noun
plural of tetrafluoride
TETRAFLUORIDE
noun
Any fluoride containing four fluorine atoms in each molecule.
Wiktionary · CC BY-SA
Word DNA
TETRAFLUORIDES inherits its ancestry from its root, TETRAFLUORIDE.
How it is built
Same root, TETRAFLUORIDE · 1 relative in the game
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
TETRAFLUORIDES in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 138, 5 October 2026. Nobody has seen it on a board for 3 days.
First ever to find it
on Day 138, 5 October 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
TETRAFLUORIDES starts with T and ends with S. Sorted, its letters read ADEEFILORRSTTU - the shape to hunt for when the grid is scrambled. T, E and R appear more than once.
Words that start TETRAFLUOR
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found TETRAFLUORIDES?
OUTLIER is a daily word game. One grid, the same grid for everybody, and the words nobody else spots are the ones that pay. This word was on Day 138 - and most players walked straight past it.
Play today's OUTLIER